Given What You Learned About How Influenza Changes Over Time

question 21

Essay

Given what you learned about how influenza changes over time, how could you explain the emergence of drug resistance in bacterial pathogens? For example, certain strains of tuberculosis are resistant to many of the major classes of antibiotics traditionally used to fight this pathogen.

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Definitions:

Largest Stock Market

Typically refers to the New York Stock Exchange (NYSE) or the NASDAQ, both of which are among the largest and most influential stock markets globally.

Expected Return

The average amount of profit or loss one can anticipate on an investment, accounting for the probabilities of varying outcomes.

Standard Deviation

A statistic that measures the dispersion of dataset relative to its mean and is calculated as the square root of the variance.

Covariance

A measure that indicates the extent to which two securities move in the same or opposite directions.